What is happening to peptic ulcer?
D000367:Age Factors; D000368:Aged; D004381:Duodenal Ulcer / Q000453:epidemiology; D004415:Dyspepsia / Q000628:therapy; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010437:Peptic Ulcer / Q000453:epidemiology*; D010439:Peptic Ulcer Perforation / Q000453:epidemiology; D006113:United Kingdom